/Engine/Source/Runtime/Core/Public/Misc/CoreDelegates.h
Called when an application is notified that the application license info has been updated. The new license data should be polled and steps taken based on the results (i.e. halt application if license is no longer valid).
static [TMulticastDelegate](API\Runtime\Core\Delegates\TMulticastDelegate)< void()> ApplicationLicenseChange;